NVIDIA GeForce RTX 2080 Ti 12 GB vs AMD Radeon HD 6990

VS

NVIDIA GeForce RTX 2080 Ti 12 GB

AMD Radeon HD 6990

We compared two Desktop platform GPUs: 12GB VRAM GeForce RTX 2080 Ti 12 GB and 2GB VRAM Radeon HD 6990 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 2080 Ti 12 GB 's Advantages

Boost Clock1635MHz

More VRAM (12GB vs 2GB)

Larger VRAM bandwidth (768.0GB/s vs 160.0GB/s)

3072 additional rendering cores

Lower TDP (250W vs 375W)

Score

Benchmark

FP32 (float)

GeForce RTX 2080 Ti 12 GB +490%

15.07 TFLOPS

Radeon HD 6990

2.55 TFLOPS

GeForce RTX 2080 Ti 12 GB

VS

Radeon HD 6990

Graphics Card

Unknown

Release Date

Mar 2011

GeForce 20

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1350 MHz

Base Clock

-

1635 MHz

Boost Clock

-

2000 MHz

Memory Clock

1250 MHz

Memory

12GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

384bit

Memory Bus

256bit

768.0GB/s

Bandwidth

160.0GB/s

Render Config

-

Compute Units

24

72

SM Count

-

4608

Shading Units

1536

288

TMUs

96

ROPs

32

576

Tensor Cores

-

72

RT Cores

-

64 KB (per SM)

L1 Cache

8 KB (per CU)

6 MB

L2 Cache

512 KB

-

Theoretical Performance

157.0 GPixel/s

Pixel Rate

26.56 GPixel/s

470.9 GTexel/s

Texture Rate

79.68 GTexel/s

30.14 TFLOPS

FP16 (half)

-

15.07 TFLOPS

FP32 (float)

2.550 TFLOPS

470.9 GFLOPS

FP64 (double)

637.4 GFLOPS

Board Design

250W

TDP

375W

600 W

Suggested PSU

750 W

1x HDMI 2.03x DisplayPort 1.4a1x USB Type-C

Outputs

1x DVI 4x mini-DisplayPort 1.2

2x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

TU102

GPU Name

Antilles

TU102-350-A1

GPU Variant

Antilles XT (215-0807027)

Turing

Architecture

TeraScale 3

TSMC

Foundry

TSMC

12 nm

Process Size

40 nm

18.6 billion

Transistors

2.64 billion

754 mm²

Die Size

389 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.3

Vulkan

N/A

7.5

CUDA

-

6.8

Shader Model

5.0

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